Prosecutor release

# United States Leads Dismantlement of One of the World’s Largest Hacker Forums

U.S. Attorney's Office, District of Utah (U.S. Department of Justice), March 4, 2026. That the U.S. Attorney's Office for the District of Utah led the seizure of the LeakBase forum: a 14-country synchronised action on 3-4 March 2026 hosted by Europol in The Hague, quoting U.S. Attorney Melissa Holyoak of the District of Utah..

**Source type:** Prosecutor release

**Published:** March 4, 2026

**Research grade:** P1

**Used in entries:** 0

## Bibliographic record

**Publisher:** U.S. Attorney's Office, District of Utah (U.S. Department of Justice)

**Published:** March 4, 2026

**Source type:** Prosecutor release

**Research grade:** Source grade P1

**Language:** English

**Official record:** Official publication

**Address:** [https://www.justice.gov/usao-ut/pr/united-states-leads-dismantlement-one-worlds-largest-hacker-forums](https://www.justice.gov/usao-ut/pr/united-states-leads-dismantlement-one-worlds-largest-hacker-forums)

**What it supports:** That the U.S. Attorney's Office for the District of Utah led the seizure of the LeakBase forum: a 14-country synchronised action on 3-4 March 2026 hosted by Europol in The Hague, quoting U.S. Attorney Melissa Holyoak of the District of Utah.

**Dataset id:** src\_usao\_ut\_leakbase\_dismantlement

## Research notes

- Read via a Wayback capture of 2026-05-24; justice.gov blocks plain HTML fetching.
- The target is LeakBase (142,000+ members, 215,000+ messages per an affidavit unsealed 3 March 2026), not BreachForums - the headline does not name the forum.
- Operation dates 3-4 March 2026; release dated Wednesday, March 4, 2026.

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Sources were reviewed to a research cutoff of August 23, 2026. Addresses recorded after that date are not reflected here.

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